Additionally, because a user puts their own personal data on their laptop it should be assumed that they are entitled to do things to protect that that personal data just as it is reasonable for you to use lethal force on anyone in your home you believe believe is an intruder. If it turns out after the fact that the masked guy with a crowbar isn't an intruder, they fucked up, not you.
I'm sure this argument could be translated to legalese and win the case.
The plaintiff's lawyers are just trying to get easy settlement money because the cops were rude.
Generally speaking, if you do not have a reasonable belief that such force is necessary, lethal force is not lawful, even if someone is breaking into your home. However, in that case, one might nevertheless escape conviction for use of lethal force thanks in part to that presumption.